Water closet tank



In a preferred embodiment, the nature of this product is as a plumbing fixture in the form of a tank for a water closet.

FIG. 1 is a right, top, front perspective view of a water closet tank embodying my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line representations of trip lever structure in FIGS. 1 and 4, interior tank structure in FIG. 1, rear features in FIGS 5-6, and underside features in FIG. 6 are for the purpose of illustration only, and form no part of the claimed design. 

The ornamental design for a water closet tank, as shown and described. 